/*
 * Copyright 2018 Outfox, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.outfoxx.swiftpoet

class ComposedTypeName private constructor(
  val types: List<DeclaredTypeName>,
) : TypeName() {

  override fun emit(out: CodeWriter): CodeWriter {
    types.forEachIndexed { index, type ->
      if (index > 0) out.emit(" & ")
      out.emitCode("%T", type)
    }
    return out
  }

  companion object {

    internal fun composed(types: List<DeclaredTypeName>): ComposedTypeName {
      return ComposedTypeName(types)
    }

    internal fun composed(vararg types: DeclaredTypeName): ComposedTypeName {
      return ComposedTypeName(types.toList())
    }

    internal fun composed(vararg types: String): ComposedTypeName {
      return ComposedTypeName(types.map { DeclaredTypeName.typeName(it) })
    }
  }
}
